#! /bin/sh
# PCP QA Test No. 295
# verify pmproxy cleans up correctly when clients are terminated
#
# Copyright (c) 2005 Silicon Graphics, Inc.  All Rights Reserved.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

which pmproxy >/dev/null 2>&1 || _notrun "No pmproxy binary installed"

signal=$PCP_BINADM_DIR/pmsignal
status=0	# success is the default!
username=`id -u -n`
$sudo rm -rf $tmp.* $seq.full
trap "_cleanup; rm -rf $tmp.*; exit \$status" 0 1 2 3 15

pmproxy_was_running=false
[ -f $PCP_RUN_DIR/pmproxy.pid ] && pmproxy_was_running=true
echo "pmproxy_was_running=$pmproxy_was_running" >>$here/$seq.full

_cleanup()
{
    if $pmproxy_was_running
    then
	echo "Restart pmproxy ..." >>$here/$seq.full
	_service pmproxy restart >>$here/$seq.full 2>&1
	_wait_for_pmproxy
    else
	echo "Stopping pmproxy ..." >>$here/$seq.full
	_service pmproxy stop >>$here/$seq.full 2>&1
    fi
}

_filter_pmproxy()
{
    sed \
	-e '/^__pmSetSocketIPC: fd=/d' \
	-e '/^__pmSetDataIPC:/d' \
	-e '/^__pmDataIPC: /d' \
	-e '/^IPC table fd/d' \
	-e '/^pmproxy: disabled time series, requires libuv support (missing)/d' \
    # end
}

_check()
{
    connects=`egrep 'AcceptNewClient|accept new client' $tmp.log | wc -l`
    disconnects=`egrep 'DeleteClient|connection closed' $tmp.log | wc -l`
    difference=`expr $connects - $disconnects`
    echo "N connects"
    echo "N-$difference disconnects"
    echo "--- $tmp.log ---" >>$here/$seq.full
    cat $tmp.log >>$here/$seq.full
    echo "--- end $tmp.log ---" >>$here/$seq.full
}

_service pmproxy stop >/dev/null 2>&1
$sudo $signal -a pmproxy >/dev/null 2>&1

mkdir -p $tmp.rundir
export PCP_RUN_DIR=$tmp.rundir
proxyargs="-Dcontext -U $username"
$PCP_BINADM_DIR/pmproxy $proxyargs -l $tmp.log 2>&1 | _filter_pmproxy

# real QA test starts here
export PMPROXY_HOST=localhost
pidlist=`sh -c "pmval -h $PMPROXY_HOST hinv.ncpu >$tmp.1 2>&1 & echo \\\$!"`
echo "pmval pid=$pidlist" >>$here/$seq.full
pid=`sh -c "pmstat -h $PMPROXY_HOST >$tmp.2 2>&1 & echo \\\$!"`
echo "pmstat pid=$pid" >>$here/$seq.full
pidlist="$pidlist $pid"
echo "kernel.all.load;" >$tmp.in
pid=`sh -c "pmie -v -h $PMPROXY_HOST -c $tmp.in >$tmp.3 2>&1 & echo \\\$!"`
echo "pmie pid=$pid" >>$here/$seq.full
pidlist="$pidlist $pid"

sleep 3

echo all clients started
echo "expect N connects and N-3 disconnect, thanks to pmie"
_check

for pid in $pidlist
do
    echo
    echo "kill off a client ..."
    echo "kill off client pid=$pid" >>$here/$seq.full
    $signal -s KILL $pid >>$here/$seq.full 2>&1
    sleep 1
    _check
done

echo "pmval output ..." >>$here/$seq.full
cat $tmp.1 >>$here/$seq.full
echo >>$here/$seq.full
echo "pmstat output ..." >>$here/$seq.full
cat $tmp.2 >>$here/$seq.full
echo >>$here/$seq.full
echo "pmie output ..." >>$here/$seq.full
cat $tmp.3 >>$here/$seq.full

# success, all done
exit
